sqlmodel/tests/test_instance_no_args.py

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2021-08-24 13:15:26 +00:00
from typing import Optional
from sqlalchemy import create_engine, select
from sqlalchemy.orm import Session
from sqlmodel import Field, SQLModel
def test_allow_instantiation_without_arguments(clear_sqlmodel):
class Item(SQLModel):
id: Optional[int] = Field(default=None, primary_key=True)
name: str
description: Optional[str] = None
class Config:
table = True
engine = create_engine("sqlite:///:memory:")
SQLModel.metadata.create_all(engine)
with Session(engine) as db:
item = Item()
item.name = "Rick"
db.add(item)
db.commit()
result = db.execute(select(Item)).scalars().all()
assert len(result) == 1
assert isinstance(item.id, int)
SQLModel.metadata.clear()